* Chimera 1.0 Patch A
@ 1994-11-24 1:01 chimera
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From: chimera @ 1994-11-24 1:01 UTC (permalink / raw)
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Chimera
Heterogeneous Hypermedia System
Kenneth M. Anderson
E. James Whitehead, Jr.
Professor Richard N. Taylor
Arcadia Project
U.C. Irvine
November 23, 1994
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ANNOUNCEMENT:
The Arcadia Project at the University of California, Irvine, announces
the release of version 1.0, Patch level A, of the heterogeneous hypermedia
system, Chimera.
CHANGES: See list of changes at the end of this file.
GENERAL OVERVIEW:
Chimera is an open, serverized, hypermedia system that supports n-ary
links between heterogeneous tools and applications in a network.
Objects manipulated by separate applications can be linked together
through Chimera. From the user's standpoint, for example, while
working with one object in one application, an anchor on the displayed
object may be selected, causing another application to start up,
displaying a related (linked) object. Chimera comes with bindings to C
and Ada; bindings to several popular tools have been constructed.
Chimera makes no assumptions or demands regarding user interface system
employed or how or where objects are stored.
Chimera embodies the following technical attributes:
Heterogeneous object editor & viewer support:
Many different applications can be integrated with Chimera allowing
them to participate in a hyperweb.
Anchors specialized to particular views:
Chimera handles just the links between objects and not their display, thus
the applications which display the objects can make the display of anchors
customized to the views of the objects.
Multiple-view, concurrent, and active displays:
Chimera has a client-server architecture. The Chimera server handles
connections from client applications and handles the routing of messages
(e.g. link traversals) between them.
Links across heterogeneous object managers:
Since an application manages the access and display of an object, and
since anchors are created with respect to an object's view and not
directly on an object, links between objects stored in different object
managers (or even a file system) are easily established.
n-ary links:
A link is not restricted to a source and destination. Instead, links
are modeled as a set. One anchor can take a user to multiple
destinations in Chimera and all of them can be viewed at once (limited
only by screen real estate).
Chimera comes with application programming interfaces (APIs) for clients
written in the Ada and C programming languages. In future releases
we plan to provide additional APIs for C++, SmallTalk, and tcl.
HARDWARE REQUIREMENTS:
We built and tested Chimera on Sun hardware running SunOS 4.1.3.
SOFTWARE REQUIREMENTS:
In order to compile the C API, you will need a C compiler such as gcc.
The C API can be used along with the binary release of the server on
platforms that do not have a SunAda compiler.
In order to compile the source release and/or the Ada API, you will need the
SunAda compiler version 1.1 or later.
For the source release you will also need Q version 3.2, and Arpc version
402.3. Q and Arpc are systems built by the Arcadia project at the
University of Colorado, Boulder. Instructions for obtaining these two
systems are included in the INSTALL file of the release.
You will need the program gzip to uncompress the tar files described below.
gzip can be obtained from any GNU software ftp site.
AVAILABILITY:
Chimera is available via anonymous ftp:
Host: liege.ics.uci.edu
Directory: pub/arcadia/chimera
Two files are available:
chimera.1.0a.tar.gz: A tar file compressed using gzip containing the full
source release of Chimera.
chimera.1.0a.bin.tar.gz: A tar file compressed using gzip containing a
binaries release of Chimera which includes the
source code for the two APIs and the
chimera server/support tools executables.
Obtain the former if you want access to all of Chimera's source code.
Obtain the later if you are more interested in integrating clients
with Chimera and don't really care how the Chimera server is implemented.
CONTACT INFORMATION:
All feedback is welcome at chimera-local@ics.uci.edu.
All bug reports are welcome at chimera-bugs@ics.uci.edu.
We shall attempt to contact you as quickly as possible in response to your
mail.
WWW INFORMATION:
The release and more information about Chimera and Arcadia in general
is available on the World Wide Web.
Information about:
Arcadia in general: http://www.ics.uci.edu/Arcadia/
Arcadia at UCI : http://www.ics.uci.edu/Arcadia/atUCI.html
Chimera : http://www.ics.uci.edu/Arcadia/Chimera/chimera.html
Sincerely,
Kenneth M. Anderson
E. James Whitehead, Jr.
Professor Richard N. Taylor
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CHANGES:
For Source Installation:
a - Changed Makefiles
- Moved examples from c_api to top level
- Removed debugging lines from c_api_link.c
- balancedbinarytreeof_[spec|body].a updated to be non-recursive
- Updated copyright notice
- Added copyright notice where appropriate
For Binaries Installation:
a - Fixed/Restructured Makefiles
- Removed Debug code from c_api_link.c
- Updated binaries
- Server uses new iterative btree package
- Updated copyright notice
- Added copyright notice where appropriate
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